Originally Posted by Gunhaver
Regular old birth control pills prevent implantation of a fertilized egg. That's the round pop out pill container that everybody and her mother has been on since the 70s. The morning after pill works the same way but in one dose that has to be taken in a time window to work.
Wrong, wrong wrong-
Birth control pills work by interfering with the natural hormonal cycle of a woman, preventing the ripening and release of an ovum. Which is why women with a problem of developing ovarian cysts caused by failure to release ovums are prescribed birth control pills.